Portable partial-load and full-load weighing device



April 7, 192s. 1,532,835

A. SCHLABACH PORTABLE PARTIAL LOAD AND FULL LOAD W-EIGHING DEVICE 1,532,835 A. scHLABA'cH PORTABLE PARTIAL LOAD AND FULL LOAD WEIGHING DEVICE Filed Jan. 9, 1924 3 Sheets-Sheet 2 Apri|1,1925. 1,532,835

A. SCHLABACH PORTABLE PARTIAL LOAD AND FULL LOADWEIGHING DEVICE Fileddan. 9, 1924 s sheets-*shut 5 Patented Apr. 7, 1925.

Partnr ALLEN SCHLABACH, OF HUBBARD, OREGON'.

PORTABLE AR'IIAL-LOAD AND FULL-LOAD VTEIGHING' DEVICE.

Application tiled January 9, 1924.

T0 @ZZ whom it 'may (fome/Jn.:

Be it known that I, ALLEN SCHLABACH, a citizen ot the United States, residing at Hubbard, in the county of Marion and the State ot Oregon, have invented a new and uset'ul Improvement in a Portable Partial- Iload and Full-Load VVeighinp,` Device, ot which the following is a specification.

lily invention relates to weighin@- devices, and more particularly to weighing devices tor use on portable vehicles and the like,

where freightis being added from station to station as in trucks or motor vehicles wherein the saine are being used for the transportation ot freight and the like.

Inthis character of hauling it is desirable to weigh partial shipments that are being loaded and unloaded trom station to station, and it is desirable to weigh these partial shipments as the same is loaded or is being unloaded, it is also desirable to weigh the entire load wherein the entire shipment ot freight is destined from one station to another, or from one shipper to another, and to accomplish this result I have provided a weighin,o` device that primarily consists of a main weighing traine to which are attached all weighing mechanisms and onto which the load is shifted by power operating mechanism when the weighing` is to be done, and at all other times the load is carried directly upon the truck frame. A second weighing mechanism is also supported within the main weighing Jframe and is located at tie rear of the vehicle, that may be used tor weighing,` partial shipments, or partial load shipments.

To weigh correctly I have provided means for leveling the weighing` mechanism both athwart the scale as well as longitudinally of the same, the raising and loweringof the load is accomplished by hydraulic means, through cylinders having pistons operating therein, the load being carried through piston rods resting upon pistons within the cylinders. To make the operation of the scale effective, only, when the vehicle is devoid of locomotion I have provided locking means for the transmission that is operative when the load is being carried upon the pistons and piston rods and inoperative when the load has been released. The subframe ot the scale is independent of the main vehicle frame and is susceptible of being' raised and lowered through the hydraulic Serial No. 685,189.

means. To prevent the raising` ofthe subtrame above the stop position, the liquid is pumped against a pressure sufficient to raise the load, and in the event that one oli' the pistonsreaches the maximum stroke provided in advance of the others the pump will continue to function until one or all ot the remaining cylinders have reached the 'iull stroke at which time a release valve will then permit the flow of the surplus pumped material to return to the reservoir until the pump ceases operation, the scale may then be leveled by the release of the pumped liquid trom the high corner until a level has been attained. y

For a better and mo 1e detailed description of my invention reference is had to they accompanying drawings, in which- Fig. l is a plan view of the portable vehicle, here shown as a motor truck with the weighing` platforms in position upon the platform of the vehicle, and with the hood of the motor removed to-show the posit-ion of the pump Yfor operating the pistons within the cylinders for raising; the subframe to which is attached the weighing mechanisms. Fig. 2 is a plan of the vehicle frame and shows the subtrame in position within the vehicle frame, the weighing levers of th-e scale are here shown as the same apply to the primaryk scale, in this view are also shown the cylinders at each corner for raising and lowering the subframe. Fig. 3 is a section view of the rear portion of the vehicle and is made to illustrate the weighing mechanisms and the main and subrames, this section is taken on line 3-3 ot Fig. l looking in the direction indicated by the arrows. Fig'. et is a section view taken` on line 4 4 of Fig. l looking,` in the direction indicated by the arrows. Fig. 5 is a section made on line 5 5 of Finn-1 looking in the direction indicated by the arrows. Fig. 6 is a section view taken on line 6 6 of Fig. l looking in the direction indicated by the arrows. Fig. 7 is a plan view of the spirit levels placed at a convenient place upon the weighing platform and which are used as indicators to determine when the weighing` platform is level when the load to be weighed has been placed thereupon. Fig. 8.is a diagrammatical view of the control levers, the pressure pump, the piping systems, the distribution tanks, the cylinders and pistons, the valves, the gear shift lever` llO and the locking` device for locking the gear shift levers.

Similar reference characters refer to similar parts throughout the several views.

l is the motor vehicle frame having' mounted within the same a subtrame, each corner of which is indirectly resting upon a piston rod. Attached to the main frame are brackets 4i that support the hydraulic cylinders 3 and operating within the cylinders are pistons and piston rods 5 so that when pressure is pumped into the cylinder and beneath Jthe piston the piston and piston rods are caused to raise or be elevated. rttached to each corner of the subtrame and directly above thev pistons and piston rods ot the cylinders are brackets 6 and against which the pistons and piston rods engage when raised and they being of sufhcient rigidity to raise the subirame and the load when raised the subtrame is raised above and clear or the main trame and in so doing an accurate weigh is made possible. 7 are ,supporting brackets attached to the main 'frame o1Ll the vehicle as shown in Fig. l and hai/'ing sloping edges 8 and sills 9 are a. part oil the platform running lengthwise or the same and they also have slopingl sides as shown at l0., the object of these sloping,- surfaces being` to spot the platform in desired position when the platform, is being,l lowered sitter each weigh, since it is essential that the load be carried directly upon the main vehicle frame during the transporting of the load from place to place, the engagement ot: these two sloping` surfaces spots the same, in correct position. l2 are center sills runninglengthwise ot' the plat'fori'n. Secured tov the sub'liraine and rigidly connected are supports 13 for the weighing' mechanisms and mounted upon the same are hardened members lli that support. the lever system ot the primary icales. l5 and l5 are the primary scale trames and attached thereto and directly above the hardened members are lini'le ec `ges 1G. Attached to the subframe are cross supports 1.7 and attached thereto are hardened members 18, 19 are scale bars having secured thereto hardened knife edges 20 that rest upon thev hardened members 1S. 2l are hardened members secured to the bars lf) and 22 are hardened knife edges resting thereupon. Q3 is the vertical scale rod tl at engages the rod 19 andI connects the same with the graduated scale beam 2e, 25 is the bean'i'support and 26 are the graduations upon the graduated beam and the same may be made to indicate any desired unit oi weight. Mounted upon the graduated beam is the slidino` weight 27 and 2S is a locking;` device for locking' the graduated beam when not in use or when the vehicle is being moved from place to place and 30 are weights that were placed at the end of the graduated beam being supported upon the pendulum rod. 3l is a scale housing.

is the motor for wer Yfor the portable vehicle lier an engine ot the hydro 33 .is the `generator slia'lt tuut is p ViefL power i we cated at a. convenient location tor 'the operation oli th clutch by the ol the vehicle. e() is a nun nonni and fi-l is a piston within the cylinder ot the pump housing so .made that liquifgl under pressenJ may be sucked into the c 'jl ider and :i'o' therefrom under pressure into the pipe #lil past the check valve Ll-2. is a satetv valve .so made that should an cessive pressure he created within the cingl pumped would reti: 'n sump tank 4&5 is a pipe conn` tween the valve a .d the "i -g-o and 4t? is a bent pipe connecting` one ley; oit the 'l` and the distributing' head #i3 "out o'i which lead pipes connecting the same with the hydrauiic cylinders. -i-D are pine ninple and are valves between the uiiiplir and the hydraulic cyliiulers. is a turn pine connecting); the cylinders ivi". valve and are nipples connectine` saine with av sump tank and is akr i connection connecting` the sump trui; with the suction end oit the hvdraulii': pisteL pump. The liquid te be pumped is tained witI the sump tana and into which inn the same drains when released troni o hydraulic cylinders when the weigh has been completed by the vehicle operator. 5T is a pipe connection between the l L.i6 and a cylinder having' a. piston and pistou rod therein` the outer end oit the piston rod is shown at 59 and GO is a sjln'ingj secured to the piston rofl and to the ouler end ct the cylinder, (il a bracket tor sui'iportinn; the outer end of th e. pistou rod 5t) and is the gear shift le'i'erand t3?) the transn'iission case ot' a motor vehicle ot the usual type, and (Sil is the floor board ot the n'iotor vehicle. lli'vhcn the hydraulic pump started pressure is created within the distrib4 uting` system and the liquid uiulcr 'pressure passes through the pipe to the inder this pressure nds the i and pistou rod 59 alejz'iiisA GO and therefore locks 62 in position and so lon t. pressure remains within the distribut i' sfu" 'i the lever remains in locked position but as soon as the pressure releL l the spring` (SO will return the Vpiston and piston rod lili) iteasss into inoperative position and will at the same time release the transmission lever 62 from locked position. The 'object being to maintain the gear shift lever in locked position so long as the subframe is raised andthe load rests upon the scale beams, the transmission being locked and remaining locked prevents the moving of the loaded vehicle so long as the load is carried upon the scale mechanisms and can only be moved when the load has been transferred back upon the main truck frame.

To preventpthe stopping of the pump by undue pressure in the system' the safety valve is provided and to permit the pumping of the liquid against the pressure provided in the valve it is necessary for the pumped liquid to return to the sump tank, a pipe 65 is provided for that purpose which connects the valve from the pumping side to the sump tank. l

To provide. a support for the knife edge 67 a bracket 66 is provided which is attached to sill l2 of the frame, the knife edge (i7 bears directly upon the hardened member 68 upon bar 15. Y

As hereinbefore declared, in my invention two weighing mechanisms are provided--one for the full or partial load and the other for partial shipments that may be added from time to time, or that may be removed from time to time, the Weighing mechanism, and the platform being at the rear of the vehicle to pro ide a convenient place for the work, this Vsecondary weighing mechanism is supported upon the subframe of the first and is raised and lowered by the hydraulic means because of that fact.

G9 and 69 are supporting beams and 70 are hardened bearing members secured thereto and upon which rest knife edges 72 and 7l and 7l are scale beams to Which the knife edges are attached. 73 is a scale supporting beam having hardened member Gil ist attached thereto and 7 5 isa knife edge resting upon the same. 76 is a hardened bearing resting upon scale beam 73 and F7 is the knife edge that rests upon the same. 78 is a connecting link and 79 is the graduated scale beam and SO is the supporting link, 81 are the graduations upon the graduated bar and 82 is the movable counterweight. To provide a simple locking device to lock the scale a bracket 83 is provided to which an arm 83a is attached and having a pin 83h secured about which locking latch is journaled, this locking latch when in the down position engages with the graduated bar 8l. S8 is a weight support that engages with the outer end of the graduated scale bar and to which counterweights 85 are attached. A scale housing S6 is provided to protect the secondary scale from the elements of weather and transportation. To enable the operator to determine When his weighing platform is in' a level position twospirit levels arel provided, 87 to show when the platform is level crosswise and 88 to show when the same is level lengthwise. 90 are hardened seats upon the beams 71 and 71 and 89 are the hardened knife edges that are secured to the truck platform scale 91.

Having thus described my invention, I Wish to make the following claims, therefore` 1. A portable partial load and full load weighing device comprising a portable motor propelled vehicle mounting a frame and a subframe, means for supporting the subframe within the frame upon hydraulic cylinders having pistons and piston rods adapted to raising the subframe through pistons and piston rods actuated by liquid under pressure, means for supplying pressure within the cylinders by pumping, weighing mechanism mounting the subframe, and means for leveling the weighing mechanism.

Q. A portable partial load and full load weighing device comprising a portable. motor propelled vehicle., a frame and subfraine mounting the vehicle, hydraulic means for raising and lowering the subframe, weighing mechanisms carried by the subframe, means for leveling the subframe and the weighing mechanisms, indicating means for ascertaining When the subframe is level, and means for supplying pressure by pumping to the hydraulic actuating liquid.

3. A portable partial load and full load weighing device comprising a portable motor propelled vehicle, a frame and subframe mounting the` vehicle astern the driving cab, hydraulic means for raising the subframe, means for Weighing carried upon the subframe, means for locking the motor transmission during period of carrying the subframe upon the hydaulic raised raising means, and means for leveling the subframe when raised.

fl. A portable partial load and full load weighing device comprising a portable motor propelled vehicle, a frame and subframe carried by the vehicle, weighing devices and platforms carried upon the frame during portability and hydraulic means adapted to the raising of the weighing platforms from immediate contact with the frame during period of weighing, means for locking the transmission of the motor during Weighing and means for leveling the Weighing platforms.

5. A portable partial load and full load weighing device comprising a portable vehicle, one or more weighing devices cai'- ried by the vehicle adapted to being raised by hydraulic means during periods of Weighing to carry the load to be weighed upon the weighing mechanisms and means for lowering the Weighing load upon the vehicle frame during portability, means for leveling ioo the Weighing mechanism during Weighing, means `for looking .the portable vehicle during' Weighing, and means 'for weighing the full load or partial loads iiulependently.

A portable partial load and full load weighing device oomprieing a por'na'ble vee hiele, one or more weighing meelnuiisnis Carried upon the portable vehicle, hydraulic means for locking the Vehicle transmiSSi-o-n shift lever during elevation of 'Weighing platforn'i, hydraulic means for elevation the weighing platform to posi-'tion upon the 'weighing mechanisms, means :for levelling the Weighing platform, means for indicating that Weighing platforms are level, and pumping*means lfor actuating raising hy@ draulic means.

7. A port-able partial loa-d and full load uf'eighing` dev-ice 4comprising a portable '-vehicle lia-ving la fram-e mounted thereupon, a sublrame normally carried upon the iframe, hydraulic lmeane` adapled to elevating the subframe yabove the frame, Weighing,- pla-tn forme carried upon the sublframe, 'means lor leveling' the sub'liraaue and Weighing plalu 'forms duringl elevation, power moana Yfor actuating theY hydraulic `elevating means, means lor loc-hing the motor t ansmission lever during elevation of the sub'rame,

means for weighing the full load or partial load duringeleva-lion of the subrai'ne, and Glut-eli meehanisms between the motor operating means and the hydraulic pumping;` means adapted to be-in` operated by a. hand lever system.

8. A portable partial load and 'l'ull load Weighing device `coniprising'a port-able rehicle adaptedlto carrying a main and sul frame, Weighingmechanisms and plaiifrorinee normally ii-iope-rative upon ille sub'frame butl adapted to being raised independently of hff. main frame, and means for leveling The \.*eig=liing i-nechanism while in raised position.

9. n portable partial load and full load Weighing device comprising a portable rehiele, engine means for propelling the vehicle, a vehicle frame, a Subfran'ie supported upon hydrz'ruflie Cylinders Within the main iframe, a. hydraulic pump connected with piping and valves to the 'hydraulic yo vlindziers: and lo a sump tank, meansV for operaing the hydraulic pump, Weighing levers and weighii-rg platforms mounted upon Athe subiirame, and means for leveling the weighing platform and subrame, and means for indicating when the samev are level.

ALLEN SGHLABC'H.

CJI 

